[Buildroot] [PATCH] boot/arm-trusted-firmware: don't enable SSP by default

[Peter Korsgaard]

>>>>> "Baruch" == Baruch Siach via buildroot <buildroot at buildroot.org> writes:

 > SSP support requires support in ATF platform code. Not all platforms
 > implement plat_get_stack_protector_canary() hook. The result is build
 > failure:

 > (.text.asm.update_stack_protector_canary+0x4): undefined reference to `plat_get_stack_protector_canary'

 > Commit cf176128ec4 ("boot/arm-trusted-firmware: add SSP option")
 > originally introduces this issue. But then commit ccac9a5bbbd
 > ("boot/arm-trusted-firmware: don't force ENABLE_STACK_PROTECTOR") hid
 > the problem by effectively disabling SSP for all platforms. So only
 > after commit 09acc7cbc91f5 ("boot/arm-trusted-firmware: fix SSP
 > support") the issue showed up.

 > Make SSP an opt-in for platform that actually provide the
 > plat_get_stack_protector_canary() hook.

 > Cc: Sergey Matyukevich <geomatsi at gmail.com>
 > Cc: Dick Olsson <hi at senzilla.io>
 > Tested-by: Heiko Thiery <heiko.thiery at gmail.com>
 > Signed-off-by: Baruch Siach <baruch at tkos.co.il>

Committed to 2022.08.x and 2022.02.x, thanks.

-- 
Bye, Peter Korsgaard